For an acute angle

MATHEMATICS · Single correct · CBSE · Mathematics · Introduction to Trigonometry · Introduction to Trigonometry

Problem

For an acute angle θ\theta, it is given that sin⁡θ=cos⁡θ\sin\theta=\cos\theta. Which of the following is θ\theta? (a) 60∘60^{\circ} (b) 90∘90^{\circ} (c) 45∘45^{\circ} (d) 30∘30^{\circ}

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